Bolt and nut set for GY6 50cc 139QMB/QMA engines. Set contains almost all bolts, oil draining plugs, nuts, cylinder studs etc. Ordering individual engine bolts can be expensive, so here we offer a complete set at a fair price. Set pictured here is the complete set.Bolt and nut set for GY6 50cc...

This bearing set contains all the relevant bearings found within the engine. A complete kit, at a low price. Crank main bearings not included. Not available as single items, owing to the huge risk on the timing chain sit of the crank when installing. Where new main bearings...This bearing set contains all the...

Complete set of quality crank oil seals from Naraku, for scooters with 50cc Kymco 4-stroke and GY6 engines. Set contains all the important oil seals found in the engine. A must for engine overhauls. Purchasing individual shaft seals is usually more expensive, and when working...Complete set of quality crank oil...

The starter clutch creates the link between the starter and the crankshaft. The clutch secures the components if the motor is turned on and the engine revs are more than the starter motor revs. Crunching and knocking when starting often point towards a problem with the clutch....The starter clutch creates the link...

Starter motor, suitable for all Chinese-built 4-stroke engines. This item can be used without a problem, even where the originally fitted item has an additional green earth cable.Starter motor, suitable for all...

SLS with hose for GY6 50cc exhaust systems with SLS. Often this part is necessary if the mounting bolts have rusted or locked, or the engine is running poorly as a result of a defective valve. Valve sent including hose. Please order gasket separately, as not contained in the...SLS with hose for GY6 50cc exhaust...

Crankcase cover for all vehicles with 12-13” wheels or larger and 4-stroke GY6 139QMB engines. These wheel sizes generally take a 788mm v-belt. Colour: silver, supplied as shown.Crankcase cover for all vehicles with...

Complete lock barrel with 2 spare keys for Chinese-built 125/150cc 4-stroke scooters. There are various bodywork versions for this ignition barrel. Version 1 has a 4 pin plug on the barrel and 2 separate keys for the seat and extra compartment. Please check the image for the...Complete lock barrel with 2 spare...

Replacement parts // Gaskets

Complete engine gasket set for all Chinese-built 4-stroke GY6 139QMB/QMA scooters with 10” wheels; v-belt length 669mm, crank-gearbox input shaft 22.5cm. ATTENTION: Crankcase cover gasket does not fit on 12” wheel vehicles. There is a specific set for these models in our...Complete engine gasket set for all...

Replacement parts // Spark Plugs

NGK is one of the world’s leading spark plug manufacturers. As the factory-fitted choice of many vehicle brands, NGK is there when the spark starts to fade. You get an NGK standard spark plug, just like the one fitted to your vehicle. Heating value and plug construction are as...NGK is one of the world’s leading...

In addition to the standard spark plugs, we can also offer you special racing spark plugs with very thin electrodes made of platinum or iridium. Recommendable especially for highly tuned engines and when using an inner rotor ignition. The spark is much more stable at high revs...In addition to the standard spark...

Kick-start sprocket with very strong teeth to deal with heavy loads, as they transfer the power from the kick-start to the crank. Many starting issues can be traced to the kick-start. 2 different versions with either 7 or 8 teeth are currently used. This version is the 7-tooth...Kick-start sprocket with very strong...

Kick-start sprocket with very strong teeth to deal with heavy loads, as they transfer the power from the kick-start to the crank. Many starting issues can be traced to the kick-start. 2 different versions with either 7 or 8 teeth are currently used. This version is the 8-tooth...Kick-start sprocket with very strong...

Low-cost aftermarket kickstarter shaft [semi-circle], for Kymco 2- and 4-stroke 50/125cc engines. There are different shaft lengths for different crankcase covers. To be absolutely sure, click on the item and compare the original part with the product image. We have added one...Low-cost aftermarket kickstarter...

Low-cost aftermarket kickstarter shaft [semi-circle], for Kymco 2- and 4-stroke 50/125cc engines. There are different shaft lengths for different crankcase covers. To be absolutely sure, click on the item and compare the original part with the product image. We have added one...Low-cost aftermarket kickstarter...

Low-cost aftermarket kickstarter shaft [semi-circle], for Kymco 2- and 4-stroke 50/125cc engines. There are different shaft lengths for different crankcase covers. To be absolutely sure, click on the item and compare the original part with the product image. We have added one...Low-cost aftermarket kickstarter...

Low-cost aftermarket kickstarter shaft [semi-circle], for Kymco 2- and 4-stroke 50/125cc engines. There are different shaft lengths for different crankcase covers. To be absolutely sure, click on the item and compare the original part with the product image. We have added one...Low-cost aftermarket kickstarter...

This bush sits in the crankcase cover and carries the kickstarter shaft. It can quickly become worn and cause kickstarter issues and, in extreme cases, can damage the crankcase cover. Do not forget this bush when changing the kickstarter shaft.This bush sits in the crankcase cover...

Carrier sprocket for the variator v-belt pulley fan. The kick-start carrier accompanies the kickstarter sprocket. It sits on the crank in front of the crankcase and its teeth can become worn, causing kickstarter issues.Carrier sprocket for the variator...

Replacement parts // Fuel

139QMB/QMA engines currently have 2 crank variations factory-fitted. The differences are solely in the oil pump drive gear. The crank can be kitted with either 16 or 22 teeth. This also means two different oil pumps are used. The item pictured is the 16 tooth version.139QMB/QMA engines currently have 2...

139QMB/QMA engines currently have 2 crank variations factory-fitted. The differences are solely in the oil pump drive gear. The crank can be kitted with either 16 or 22 teeth. This also means two different oil pumps are used. The item pictured is the 22 tooth version.139QMB/QMA engines currently have 2...

Naraku performance fan for tuned engines. Also for untuned engines. For AC engines, we recommend an additional air scoop. Please pay attention to the screw length as this can vary. The lighter fan wheel means less rotating mass, which give a slight performance enhancement.Naraku performance fan for tuned...

Left-hand handlebar switchgear for scooters with integrated high and low beam, indicator switch and horn. Please check the product image, as various switchgears are factory-fitted on different models. ATTENTION: this switchgear is only suitable for scooters with a separate...Left-hand handlebar switchgear for...

Left-hand handlebar switchgear for scooters with integrated high and low beam, indicator switch and horn. Please check the product image, as various switchgears are factory-fitted on different models. ATTENTION: this switchgear is only suitable for scooters with a separate...Left-hand handlebar switchgear for...